ハクトウワシ vs ホンケワタガモ

Haliaeetus leucocephalus compared with Somateria mollissima

Key Differences

  • ハクトウワシ is Not Evaluated while ホンケワタガモ is Near Threatened.

Taxonomic Classification

Rank ハクトウワシ ホンケワタガモ
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class same Aves (鳥類) Aves (鳥類)
Order Accipitriformes (タカ目) Anseriformes (カモ目)
Family Accipitridae (Hawks & Eagles) Anatidae
Genus Haliaeetus (Sea Eagles) Somateria
Species Haliaeetus leucocephalus Somateria mollissima

Evolutionary Relationship

ハクトウワシ and ホンケワタガモ share a common ancestor at the Class level: Aves. (鳥類)

Conservation Status

ハクトウワシ

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

ホンケワタガモ

NT — Near Threatened

Physical Characteristics

Attribute ハクトウワシ ホンケワタガモ
Diet Carnivore
Average Lifespan 28 years
Average Length 90 cm
Average Weight 5.0 kg

Habitat & Geographic Range

ハクトウワシ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

ホンケワタガモ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

ハクトウワシ

アメリカの国鳥であり保全の成功を象徴するハクトウワシは翼開長が最大2.4 mに達し、北米全域の水辺近くの森林や湿地に生息する。強力な空中捕食者兼腐肉食者で魚を主食とするが、水鳥や腐肉も捕食する。DDT汚染と狩猟によって1960年代にほぼ絶滅に瀕したが、農薬の使用禁止と絶滅危惧種法の施行により劇的に回復した。

ホンケワタガモ

ホンケワタガモ(Somateria mollissima)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。脅威のある種の基準に近く、保全措置がなければ脆弱になる可能性がある。

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